Index: openacs-4/packages/acs-tcl/tcl/apm-install-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/apm-install-procs.tcl,v
diff -u -r1.126.2.10 -r1.126.2.11
--- openacs-4/packages/acs-tcl/tcl/apm-install-procs.tcl	29 Jul 2020 12:58:11 -0000	1.126.2.10
+++ openacs-4/packages/acs-tcl/tcl/apm-install-procs.tcl	29 Jul 2020 13:28:34 -0000	1.126.2.11
@@ -1698,7 +1698,7 @@
         lappend types_to_retrieve "data_model_upgrade"
     }
 
-    if {[ad_verify_install] && ![apm_package_enabled_p $package_key]} {
+    if {[apm_package_installed_p $package_key] && ![apm_package_enabled_p $package_key]} {
         ns_log notice "apm_data_model_scripts_find: ignore upgrade attempt for disabled package $package_key"
         return ""
     }